311 search results - page 20 / 63 » Approximate XML joins |
ADBIS
2007
Springer
15 years 6 months ago
2007
Springer
Functional dependencies (FDs) are an integral part of database theory since they are used in integrity enforcement and in database design. Recently, functional dependencies satisï¬...
PVLDB
2010
14 years 10 months ago
2010
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
171
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ICDE
2003
IEEE
16 years 1 months ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...
206
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ICDE
2004
IEEE
16 years 1 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
103
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SIGMOD
1994
ACM
15 years 3 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...